diff --git a/config.def.h b/config.def.h
index 1e3a2a79b7..fbe30149cc 100644
--- a/config.def.h
+++ b/config.def.h
@@ -342,7 +342,11 @@ static const bool rate_control = false;
 #endif
 
 // Rate control delta. Defines how much rate_control is allowed to adjust input rate.
+#if defined(__QNX__)
+static const float rate_control_delta = 0.000;
+#else
 static const float rate_control_delta = 0.005;
+#endif
 
 // Default audio volume in dB. (0.0 dB == unity gain).
 static const float audio_volume = 0.0;